Inspection Procedure

HINT:

The whole light control rheostat should be replaced if the ODO/TRIP switch has a malfunction because this part is not identically supplied.

1. READ VALUE OF INTELLIGENT TESTER 
   1. Operate the intelligent tester according to the steps on the display and select "DATA LIST".

      METER: 

      METER
      
      

      Item	Measurement Item/Range (Display)	Normal Condition	Diagnostic Note
      ODO/TRIP SW	ODO/TRIP switch is ON/OFF	ON: Switch is pushed OFF: Switch is not pushed	-

      OK: Switch condition (ON/OFF) can be switched by actual operation. 

   NG : Go to step 2 

   OK : REPLACE COMBINATION METER ASSEMBLY 

2. INSPECT ODO/TRIP SWITCH 
   1. Remove the light ODO/TRIP switch with connector still connected.
   2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance 

      ODO/TRIP SWITCH
      
      

      Tester Connection	Condition	Specified Condition
      R6-1 (E) - R6-7 (RV)	ODO/TRIP switch OFF -> ON	10 kΩ or higher -> Below 1 Ω

      Fig 1: Inspecting ODO/TRIP Switch

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   NG : REPLACE LIGHT CONTROL RHEOSTAT 

   OK : GO TO NEXT STEP 

3. CHECK HARNESS AND CONNECTOR (BETWEEN COMBINATION METER AND ODO/TRIP SWITCH) 
   1. Disconnect the C9 and R6 connectors.
   2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance 

      COMBINATION METER AND ODO/TRIP SWITCH
      
      

      Tester connection	Condition	Specified condition
      C9-13 (RE) - R6-1 (E)	Always	Below 1 Ω
      C9-17 (ODO/TRIP SW) - R6-4 (RSET)	Always	Below 1 Ω

      Fig 2: Checking Harness And Connector (Between Combination Meter And ODO/Trip Switch)

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   NG : REPAIR OR REPLACE HARNESS OR CONNECTOR 

   OK : REPLACE COMBINATION METER ASSEMBLY